Home / 58,431.46-87,728.79-29,988.31

Finding the Fourth Proportional to 58,431.46, 87,728.79 and 29,988.31

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Solution

The fourth proportional to 58,431.46, 87,728.79 and 29,988.31 is: 45,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,431.46 : 87,728.79 = 29,988.31 : x
  2. Step 2: Convert to fraction form
    58,431.46/87,728.79 = 29,988.31/x
  3. Step 3: Cross multiply
    58,431.46x = 87,728.79 × 29,988.31
  4. Step 4: Simplify right side
    58,431.46x = 2,630,838,150.44
  5. Step 5: Solve for x
    x = 2,630,838,150.44/58,431.46
  6. Step 6: Final answer
    x = 45,024.34

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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.