Home / 42,543.36-58,708.80-23,680.80

Finding the Fourth Proportional to 42,543.36, 58,708.80 and 23,680.80

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Solution

The fourth proportional to 42,543.36, 58,708.80 and 23,680.80 is: 32,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.36 : 58,708.80 = 23,680.80 : x
  2. Step 2: Convert to fraction form
    42,543.36/58,708.80 = 23,680.80/x
  3. Step 3: Cross multiply
    42,543.36x = 58,708.80 × 23,680.80
  4. Step 4: Simplify right side
    42,543.36x = 1,390,271,351.04
  5. Step 5: Solve for x
    x = 1,390,271,351.04/42,543.36
  6. Step 6: Final answer
    x = 32,678.93

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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.