Home / 30,482.24-42,079.87-22,931.45

Finding the Fourth Proportional to 30,482.24, 42,079.87 and 22,931.45

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Solution

The fourth proportional to 30,482.24, 42,079.87 and 22,931.45 is: 31,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.24 : 42,079.87 = 22,931.45 : x
  2. Step 2: Convert to fraction form
    30,482.24/42,079.87 = 22,931.45/x
  3. Step 3: Cross multiply
    30,482.24x = 42,079.87 × 22,931.45
  4. Step 4: Simplify right side
    30,482.24x = 964,952,224.51
  5. Step 5: Solve for x
    x = 964,952,224.51/30,482.24
  6. Step 6: Final answer
    x = 31,656.22

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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.