Home / 52,479.76-72,421.68-28,606.36

Finding the Fourth Proportional to 52,479.76, 72,421.68 and 28,606.36

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Solution

The fourth proportional to 52,479.76, 72,421.68 and 28,606.36 is: 39,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.76 : 72,421.68 = 28,606.36 : x
  2. Step 2: Convert to fraction form
    52,479.76/72,421.68 = 28,606.36/x
  3. Step 3: Cross multiply
    52,479.76x = 72,421.68 × 28,606.36
  4. Step 4: Simplify right side
    52,479.76x = 2,071,720,649.88
  5. Step 5: Solve for x
    x = 2,071,720,649.88/52,479.76
  6. Step 6: Final answer
    x = 39,476.56

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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.