Home / 51,332.10-70,837.55-28,671.42

Finding the Fourth Proportional to 51,332.10, 70,837.55 and 28,671.42

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Solution

The fourth proportional to 51,332.10, 70,837.55 and 28,671.42 is: 39,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.10 : 70,837.55 = 28,671.42 : x
  2. Step 2: Convert to fraction form
    51,332.10/70,837.55 = 28,671.42/x
  3. Step 3: Cross multiply
    51,332.10x = 70,837.55 × 28,671.42
  4. Step 4: Simplify right side
    51,332.10x = 2,031,012,650.28
  5. Step 5: Solve for x
    x = 2,031,012,650.28/51,332.10
  6. Step 6: Final answer
    x = 39,566.14

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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.