Home / 31,488.35-47,240.28-9,301.64

Finding the Fourth Proportional to 31,488.35, 47,240.28 and 9,301.64

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Solution

The fourth proportional to 31,488.35, 47,240.28 and 9,301.64 is: 13,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.35 : 47,240.28 = 9,301.64 : x
  2. Step 2: Convert to fraction form
    31,488.35/47,240.28 = 9,301.64/x
  3. Step 3: Cross multiply
    31,488.35x = 47,240.28 × 9,301.64
  4. Step 4: Simplify right side
    31,488.35x = 439,411,841.86
  5. Step 5: Solve for x
    x = 439,411,841.86/31,488.35
  6. Step 6: Final answer
    x = 13,954.75

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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.