Home / 40,210.70-55,526.02-25,129.12

Finding the Fourth Proportional to 40,210.70, 55,526.02 and 25,129.12

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Solution

The fourth proportional to 40,210.70, 55,526.02 and 25,129.12 is: 34,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.70 : 55,526.02 = 25,129.12 : x
  2. Step 2: Convert to fraction form
    40,210.70/55,526.02 = 25,129.12/x
  3. Step 3: Cross multiply
    40,210.70x = 55,526.02 × 25,129.12
  4. Step 4: Simplify right side
    40,210.70x = 1,395,320,019.70
  5. Step 5: Solve for x
    x = 1,395,320,019.70/40,210.70
  6. Step 6: Final answer
    x = 34,700.22

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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.