Home / 65,330.88-97,973.28-28,374.72

Finding the Fourth Proportional to 65,330.88, 97,973.28 and 28,374.72

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Solution

The fourth proportional to 65,330.88, 97,973.28 and 28,374.72 is: 42,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,330.88 : 97,973.28 = 28,374.72 : x
  2. Step 2: Convert to fraction form
    65,330.88/97,973.28 = 28,374.72/x
  3. Step 3: Cross multiply
    65,330.88x = 97,973.28 × 28,374.72
  4. Step 4: Simplify right side
    65,330.88x = 2,779,964,387.48
  5. Step 5: Solve for x
    x = 2,779,964,387.48/65,330.88
  6. Step 6: Final answer
    x = 42,552.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.