Home / 40,368.80-60,553.20-21,706.40

Finding the Fourth Proportional to 40,368.80, 60,553.20 and 21,706.40

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Solution

The fourth proportional to 40,368.80, 60,553.20 and 21,706.40 is: 32,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368.80 : 60,553.20 = 21,706.40 : x
  2. Step 2: Convert to fraction form
    40,368.80/60,553.20 = 21,706.40/x
  3. Step 3: Cross multiply
    40,368.80x = 60,553.20 × 21,706.40
  4. Step 4: Simplify right side
    40,368.80x = 1,314,391,980.48
  5. Step 5: Solve for x
    x = 1,314,391,980.48/40,368.80
  6. Step 6: Final answer
    x = 32,559.60

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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.