Home / 39,011.88-58,526.60-12,359.47

Finding the Fourth Proportional to 39,011.88, 58,526.60 and 12,359.47

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Solution

The fourth proportional to 39,011.88, 58,526.60 and 12,359.47 is: 18,541.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011.88 : 58,526.60 = 12,359.47 : x
  2. Step 2: Convert to fraction form
    39,011.88/58,526.60 = 12,359.47/x
  3. Step 3: Cross multiply
    39,011.88x = 58,526.60 × 12,359.47
  4. Step 4: Simplify right side
    39,011.88x = 723,357,695.10
  5. Step 5: Solve for x
    x = 723,357,695.10/39,011.88
  6. Step 6: Final answer
    x = 18,541.99

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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.