Home / 31,617.48-47,449.61-14,977.55

Finding the Fourth Proportional to 31,617.48, 47,449.61 and 14,977.55

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Solution

The fourth proportional to 31,617.48, 47,449.61 and 14,977.55 is: 22,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617.48 : 47,449.61 = 14,977.55 : x
  2. Step 2: Convert to fraction form
    31,617.48/47,449.61 = 14,977.55/x
  3. Step 3: Cross multiply
    31,617.48x = 47,449.61 × 14,977.55
  4. Step 4: Simplify right side
    31,617.48x = 710,678,594.12
  5. Step 5: Solve for x
    x = 710,678,594.12/31,617.48
  6. Step 6: Final answer
    x = 22,477.40

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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.