Home / 51,695.40-77,543.51-28,309.08

Finding the Fourth Proportional to 51,695.40, 77,543.51 and 28,309.08

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Solution

The fourth proportional to 51,695.40, 77,543.51 and 28,309.08 is: 42,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,695.40 : 77,543.51 = 28,309.08 : x
  2. Step 2: Convert to fraction form
    51,695.40/77,543.51 = 28,309.08/x
  3. Step 3: Cross multiply
    51,695.40x = 77,543.51 × 28,309.08
  4. Step 4: Simplify right side
    51,695.40x = 2,195,185,428.07
  5. Step 5: Solve for x
    x = 2,195,185,428.07/51,695.40
  6. Step 6: Final answer
    x = 42,463.84

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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.