Home / 60,817.32-91,223.28-18,695.70

Finding the Fourth Proportional to 60,817.32, 91,223.28 and 18,695.70

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Solution

The fourth proportional to 60,817.32, 91,223.28 and 18,695.70 is: 28,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,817.32 : 91,223.28 = 18,695.70 : x
  2. Step 2: Convert to fraction form
    60,817.32/91,223.28 = 18,695.70/x
  3. Step 3: Cross multiply
    60,817.32x = 91,223.28 × 18,695.70
  4. Step 4: Simplify right side
    60,817.32x = 1,705,483,075.90
  5. Step 5: Solve for x
    x = 1,705,483,075.90/60,817.32
  6. Step 6: Final answer
    x = 28,042.72

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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.