Home / 58,425.78-87,649.56-18,972.30

Finding the Fourth Proportional to 58,425.78, 87,649.56 and 18,972.30

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Solution

The fourth proportional to 58,425.78, 87,649.56 and 18,972.30 is: 28,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,425.78 : 87,649.56 = 18,972.30 : x
  2. Step 2: Convert to fraction form
    58,425.78/87,649.56 = 18,972.30/x
  3. Step 3: Cross multiply
    58,425.78x = 87,649.56 × 18,972.30
  4. Step 4: Simplify right side
    58,425.78x = 1,662,913,747.19
  5. Step 5: Solve for x
    x = 1,662,913,747.19/58,425.78
  6. Step 6: Final answer
    x = 28,461.99

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1.5x scale

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.