Home / 40,831.40-61,247.10-17,460.20

Finding the Fourth Proportional to 40,831.40, 61,247.10 and 17,460.20

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Solution

The fourth proportional to 40,831.40, 61,247.10 and 17,460.20 is: 26,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,831.40 : 61,247.10 = 17,460.20 : x
  2. Step 2: Convert to fraction form
    40,831.40/61,247.10 = 17,460.20/x
  3. Step 3: Cross multiply
    40,831.40x = 61,247.10 × 17,460.20
  4. Step 4: Simplify right side
    40,831.40x = 1,069,386,615.42
  5. Step 5: Solve for x
    x = 1,069,386,615.42/40,831.40
  6. Step 6: Final answer
    x = 26,190.30

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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.