Home / 39,090.32-58,200.52-38,538.20

Finding the Fourth Proportional to 39,090.32, 58,200.52 and 38,538.20

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Solution

The fourth proportional to 39,090.32, 58,200.52 and 38,538.20 is: 57,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.32 : 58,200.52 = 38,538.20 : x
  2. Step 2: Convert to fraction form
    39,090.32/58,200.52 = 38,538.20/x
  3. Step 3: Cross multiply
    39,090.32x = 58,200.52 × 38,538.20
  4. Step 4: Simplify right side
    39,090.32x = 2,242,943,279.86
  5. Step 5: Solve for x
    x = 2,242,943,279.86/39,090.32
  6. Step 6: Final answer
    x = 57,378.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.