Home / 64,240.50-88,706.61-40,407.06

Finding the Fourth Proportional to 64,240.50, 88,706.61 and 40,407.06

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Solution

The fourth proportional to 64,240.50, 88,706.61 and 40,407.06 is: 55,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,240.50 : 88,706.61 = 40,407.06 : x
  2. Step 2: Convert to fraction form
    64,240.50/88,706.61 = 40,407.06/x
  3. Step 3: Cross multiply
    64,240.50x = 88,706.61 × 40,407.06
  4. Step 4: Simplify right side
    64,240.50x = 3,584,373,312.67
  5. Step 5: Solve for x
    x = 3,584,373,312.67/64,240.50
  6. Step 6: Final answer
    x = 55,796.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.