Home / 30,385.13-45,512.07-29,641.55

Finding the Fourth Proportional to 30,385.13, 45,512.07 and 29,641.55

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Solution

The fourth proportional to 30,385.13, 45,512.07 and 29,641.55 is: 44,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.13 : 45,512.07 = 29,641.55 : x
  2. Step 2: Convert to fraction form
    30,385.13/45,512.07 = 29,641.55/x
  3. Step 3: Cross multiply
    30,385.13x = 45,512.07 × 29,641.55
  4. Step 4: Simplify right side
    30,385.13x = 1,349,048,298.51
  5. Step 5: Solve for x
    x = 1,349,048,298.51/30,385.13
  6. Step 6: Final answer
    x = 44,398.31

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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.