Home / 52,423.32-72,347.21-39,479.42

Finding the Fourth Proportional to 52,423.32, 72,347.21 and 39,479.42

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Solution

The fourth proportional to 52,423.32, 72,347.21 and 39,479.42 is: 54,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,423.32 : 72,347.21 = 39,479.42 : x
  2. Step 2: Convert to fraction form
    52,423.32/72,347.21 = 39,479.42/x
  3. Step 3: Cross multiply
    52,423.32x = 72,347.21 × 39,479.42
  4. Step 4: Simplify right side
    52,423.32x = 2,856,225,330.29
  5. Step 5: Solve for x
    x = 2,856,225,330.29/52,423.32
  6. Step 6: Final answer
    x = 54,483.87

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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.