Home / 57,429.61-86,137.58-15,312.85

Finding the Fourth Proportional to 57,429.61, 86,137.58 and 15,312.85

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Solution

The fourth proportional to 57,429.61, 86,137.58 and 15,312.85 is: 22,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,429.61 : 86,137.58 = 15,312.85 : x
  2. Step 2: Convert to fraction form
    57,429.61/86,137.58 = 15,312.85/x
  3. Step 3: Cross multiply
    57,429.61x = 86,137.58 × 15,312.85
  4. Step 4: Simplify right side
    57,429.61x = 1,319,011,765.34
  5. Step 5: Solve for x
    x = 1,319,011,765.34/57,429.61
  6. Step 6: Final answer
    x = 22,967.45

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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.