Home / 53,621.96-74,001.65-30,965.10

Finding the Fourth Proportional to 53,621.96, 74,001.65 and 30,965.10

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Solution

The fourth proportional to 53,621.96, 74,001.65 and 30,965.10 is: 42,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.96 : 74,001.65 = 30,965.10 : x
  2. Step 2: Convert to fraction form
    53,621.96/74,001.65 = 30,965.10/x
  3. Step 3: Cross multiply
    53,621.96x = 74,001.65 × 30,965.10
  4. Step 4: Simplify right side
    53,621.96x = 2,291,468,337.59
  5. Step 5: Solve for x
    x = 2,291,468,337.59/53,621.96
  6. Step 6: Final answer
    x = 42,733.77

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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.