Home / 47,158.48-65,055.12-28,029.52

Finding the Fourth Proportional to 47,158.48, 65,055.12 and 28,029.52

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Solution

The fourth proportional to 47,158.48, 65,055.12 and 28,029.52 is: 38,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.48 : 65,055.12 = 28,029.52 : x
  2. Step 2: Convert to fraction form
    47,158.48/65,055.12 = 28,029.52/x
  3. Step 3: Cross multiply
    47,158.48x = 65,055.12 × 28,029.52
  4. Step 4: Simplify right side
    47,158.48x = 1,823,463,787.14
  5. Step 5: Solve for x
    x = 1,823,463,787.14/47,158.48
  6. Step 6: Final answer
    x = 38,666.72

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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.