Home / 31,345.55-47,026.10-15,557.99

Finding the Fourth Proportional to 31,345.55, 47,026.10 and 15,557.99

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Solution

The fourth proportional to 31,345.55, 47,026.10 and 15,557.99 is: 23,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.55 : 47,026.10 = 15,557.99 : x
  2. Step 2: Convert to fraction form
    31,345.55/47,026.10 = 15,557.99/x
  3. Step 3: Cross multiply
    31,345.55x = 47,026.10 × 15,557.99
  4. Step 4: Simplify right side
    31,345.55x = 731,631,280.62
  5. Step 5: Solve for x
    x = 731,631,280.62/31,345.55
  6. Step 6: Final answer
    x = 23,340.84

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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.