Home / 42,330.07-63,494.47-10,309.45

Finding the Fourth Proportional to 42,330.07, 63,494.47 and 10,309.45

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Solution

The fourth proportional to 42,330.07, 63,494.47 and 10,309.45 is: 15,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,330.07 : 63,494.47 = 10,309.45 : x
  2. Step 2: Convert to fraction form
    42,330.07/63,494.47 = 10,309.45/x
  3. Step 3: Cross multiply
    42,330.07x = 63,494.47 × 10,309.45
  4. Step 4: Simplify right side
    42,330.07x = 654,593,063.74
  5. Step 5: Solve for x
    x = 654,593,063.74/42,330.07
  6. Step 6: Final answer
    x = 15,464.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.