Home / 47,389.95-65,398.28-25,879.91

Finding the Fourth Proportional to 47,389.95, 65,398.28 and 25,879.91

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Solution

The fourth proportional to 47,389.95, 65,398.28 and 25,879.91 is: 35,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.95 : 65,398.28 = 25,879.91 : x
  2. Step 2: Convert to fraction form
    47,389.95/65,398.28 = 25,879.91/x
  3. Step 3: Cross multiply
    47,389.95x = 65,398.28 × 25,879.91
  4. Step 4: Simplify right side
    47,389.95x = 1,692,501,144.16
  5. Step 5: Solve for x
    x = 1,692,501,144.16/47,389.95
  6. Step 6: Final answer
    x = 35,714.35

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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.