Home / 30,590,390.25-42,134,322.29-23,512,448.25

Finding the Fourth Proportional to 30,590,390.25, 42,134,322.29 and 23,512,448.25

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Solution

The fourth proportional to 30,590,390.25, 42,134,322.29 and 23,512,448.25 is: 32,385,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590,390.25 : 42,134,322.29 = 23,512,448.25 : x
  2. Step 2: Convert to fraction form
    30,590,390.25/42,134,322.29 = 23,512,448.25/x
  3. Step 3: Cross multiply
    30,590,390.25x = 42,134,322.29 × 23,512,448.25
  4. Step 4: Simplify right side
    30,590,390.25x = 990,681,072,274,884.12
  5. Step 5: Solve for x
    x = 990,681,072,274,884.12/30,590,390.25
  6. Step 6: Final answer
    x = 32,385,368.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.