Home / 40,688.40-61,008.84-17,302.80

Finding the Fourth Proportional to 40,688.40, 61,008.84 and 17,302.80

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Solution

The fourth proportional to 40,688.40, 61,008.84 and 17,302.80 is: 25,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.40 : 61,008.84 = 17,302.80 : x
  2. Step 2: Convert to fraction form
    40,688.40/61,008.84 = 17,302.80/x
  3. Step 3: Cross multiply
    40,688.40x = 61,008.84 × 17,302.80
  4. Step 4: Simplify right side
    40,688.40x = 1,055,623,756.75
  5. Step 5: Solve for x
    x = 1,055,623,756.75/40,688.40
  6. Step 6: Final answer
    x = 25,944.10

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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.