Home / 31,557.47-47,338.90-9,068.29

Finding the Fourth Proportional to 31,557.47, 47,338.90 and 9,068.29

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Solution

The fourth proportional to 31,557.47, 47,338.90 and 9,068.29 is: 13,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.47 : 47,338.90 = 9,068.29 : x
  2. Step 2: Convert to fraction form
    31,557.47/47,338.90 = 9,068.29/x
  3. Step 3: Cross multiply
    31,557.47x = 47,338.90 × 9,068.29
  4. Step 4: Simplify right side
    31,557.47x = 429,282,732.46
  5. Step 5: Solve for x
    x = 429,282,732.46/31,557.47
  6. Step 6: Final answer
    x = 13,603.21

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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.