Home / 53,319.78-73,572.84-30,654.36

Finding the Fourth Proportional to 53,319.78, 73,572.84 and 30,654.36

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Solution

The fourth proportional to 53,319.78, 73,572.84 and 30,654.36 is: 42,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,319.78 : 73,572.84 = 30,654.36 : x
  2. Step 2: Convert to fraction form
    53,319.78/73,572.84 = 30,654.36/x
  3. Step 3: Cross multiply
    53,319.78x = 73,572.84 × 30,654.36
  4. Step 4: Simplify right side
    53,319.78x = 2,255,328,323.58
  5. Step 5: Solve for x
    x = 2,255,328,323.58/53,319.78
  6. Step 6: Final answer
    x = 42,298.16

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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.