Home / 39,946.86-59,909.91-11,860.31

Finding the Fourth Proportional to 39,946.86, 59,909.91 and 11,860.31

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Solution

The fourth proportional to 39,946.86, 59,909.91 and 11,860.31 is: 17,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.86 : 59,909.91 = 11,860.31 : x
  2. Step 2: Convert to fraction form
    39,946.86/59,909.91 = 11,860.31/x
  3. Step 3: Cross multiply
    39,946.86x = 59,909.91 × 11,860.31
  4. Step 4: Simplify right side
    39,946.86x = 710,549,805.12
  5. Step 5: Solve for x
    x = 710,549,805.12/39,946.86
  6. Step 6: Final answer
    x = 17,787.38

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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.