Home / 58,498.20-87,689.70-28,920.60

Finding the Fourth Proportional to 58,498.20, 87,689.70 and 28,920.60

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Solution

The fourth proportional to 58,498.20, 87,689.70 and 28,920.60 is: 43,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,498.20 : 87,689.70 = 28,920.60 : x
  2. Step 2: Convert to fraction form
    58,498.20/87,689.70 = 28,920.60/x
  3. Step 3: Cross multiply
    58,498.20x = 87,689.70 × 28,920.60
  4. Step 4: Simplify right side
    58,498.20x = 2,536,038,737.82
  5. Step 5: Solve for x
    x = 2,536,038,737.82/58,498.20
  6. Step 6: Final answer
    x = 43,352.42

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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.