Home / 39,631.60-59,430.10-14,990.32

Finding the Fourth Proportional to 39,631.60, 59,430.10 and 14,990.32

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Solution

The fourth proportional to 39,631.60, 59,430.10 and 14,990.32 is: 22,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.60 : 59,430.10 = 14,990.32 : x
  2. Step 2: Convert to fraction form
    39,631.60/59,430.10 = 14,990.32/x
  3. Step 3: Cross multiply
    39,631.60x = 59,430.10 × 14,990.32
  4. Step 4: Simplify right side
    39,631.60x = 890,876,216.63
  5. Step 5: Solve for x
    x = 890,876,216.63/39,631.60
  6. Step 6: Final answer
    x = 22,478.94

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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.