Home / 31,614.68-47,424.45-9,426.32

Finding the Fourth Proportional to 31,614.68, 47,424.45 and 9,426.32

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Solution

The fourth proportional to 31,614.68, 47,424.45 and 9,426.32 is: 14,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,614.68 : 47,424.45 = 9,426.32 : x
  2. Step 2: Convert to fraction form
    31,614.68/47,424.45 = 9,426.32/x
  3. Step 3: Cross multiply
    31,614.68x = 47,424.45 × 9,426.32
  4. Step 4: Simplify right side
    31,614.68x = 447,038,041.52
  5. Step 5: Solve for x
    x = 447,038,041.52/31,614.68
  6. Step 6: Final answer
    x = 14,140.20

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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.