Home / 51,332.18-70,839.57-30,126.74

Finding the Fourth Proportional to 51,332.18, 70,839.57 and 30,126.74

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Solution

The fourth proportional to 51,332.18, 70,839.57 and 30,126.74 is: 41,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.18 : 70,839.57 = 30,126.74 : x
  2. Step 2: Convert to fraction form
    51,332.18/70,839.57 = 30,126.74/x
  3. Step 3: Cross multiply
    51,332.18x = 70,839.57 × 30,126.74
  4. Step 4: Simplify right side
    51,332.18x = 2,134,165,307.10
  5. Step 5: Solve for x
    x = 2,134,165,307.10/51,332.18
  6. Step 6: Final answer
    x = 41,575.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.