Home / 31,280.80-46,898.91-14,631.76

Finding the Fourth Proportional to 31,280.80, 46,898.91 and 14,631.76

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Solution

The fourth proportional to 31,280.80, 46,898.91 and 14,631.76 is: 21,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.80 : 46,898.91 = 14,631.76 : x
  2. Step 2: Convert to fraction form
    31,280.80/46,898.91 = 14,631.76/x
  3. Step 3: Cross multiply
    31,280.80x = 46,898.91 × 14,631.76
  4. Step 4: Simplify right side
    31,280.80x = 686,213,593.50
  5. Step 5: Solve for x
    x = 686,213,593.50/31,280.80
  6. Step 6: Final answer
    x = 21,937.21

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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.