Home / 52,030.31-71,802.01-28,156.98

Finding the Fourth Proportional to 52,030.31, 71,802.01 and 28,156.98

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Solution

The fourth proportional to 52,030.31, 71,802.01 and 28,156.98 is: 38,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,030.31 : 71,802.01 = 28,156.98 : x
  2. Step 2: Convert to fraction form
    52,030.31/71,802.01 = 28,156.98/x
  3. Step 3: Cross multiply
    52,030.31x = 71,802.01 × 28,156.98
  4. Step 4: Simplify right side
    52,030.31x = 2,021,727,689.14
  5. Step 5: Solve for x
    x = 2,021,727,689.14/52,030.31
  6. Step 6: Final answer
    x = 38,856.73

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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.