Home / 52,779.89-72,833.53-28,901.95

Finding the Fourth Proportional to 52,779.89, 72,833.53 and 28,901.95

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Solution

The fourth proportional to 52,779.89, 72,833.53 and 28,901.95 is: 39,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.89 : 72,833.53 = 28,901.95 : x
  2. Step 2: Convert to fraction form
    52,779.89/72,833.53 = 28,901.95/x
  3. Step 3: Cross multiply
    52,779.89x = 72,833.53 × 28,901.95
  4. Step 4: Simplify right side
    52,779.89x = 2,105,031,251.92
  5. Step 5: Solve for x
    x = 2,105,031,251.92/52,779.89
  6. Step 6: Final answer
    x = 39,883.20

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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.