Home / 52,543.29-72,509.93-28,670.48

Finding the Fourth Proportional to 52,543.29, 72,509.93 and 28,670.48

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Solution

The fourth proportional to 52,543.29, 72,509.93 and 28,670.48 is: 39,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.29 : 72,509.93 = 28,670.48 : x
  2. Step 2: Convert to fraction form
    52,543.29/72,509.93 = 28,670.48/x
  3. Step 3: Cross multiply
    52,543.29x = 72,509.93 × 28,670.48
  4. Step 4: Simplify right side
    52,543.29x = 2,078,894,497.87
  5. Step 5: Solve for x
    x = 2,078,894,497.87/52,543.29
  6. Step 6: Final answer
    x = 39,565.37

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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.