Home / 58,088.28-87,140.52-18,657.48

Finding the Fourth Proportional to 58,088.28, 87,140.52 and 18,657.48

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Solution

The fourth proportional to 58,088.28, 87,140.52 and 18,657.48 is: 27,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,088.28 : 87,140.52 = 18,657.48 : x
  2. Step 2: Convert to fraction form
    58,088.28/87,140.52 = 18,657.48/x
  3. Step 3: Cross multiply
    58,088.28x = 87,140.52 × 18,657.48
  4. Step 4: Simplify right side
    58,088.28x = 1,625,822,509.09
  5. Step 5: Solve for x
    x = 1,625,822,509.09/58,088.28
  6. Step 6: Final answer
    x = 27,988.82

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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.