Home / 52,221.36-78,233.40-40,477.08

Finding the Fourth Proportional to 52,221.36, 78,233.40 and 40,477.08

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Solution

The fourth proportional to 52,221.36, 78,233.40 and 40,477.08 is: 60,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.36 : 78,233.40 = 40,477.08 : x
  2. Step 2: Convert to fraction form
    52,221.36/78,233.40 = 40,477.08/x
  3. Step 3: Cross multiply
    52,221.36x = 78,233.40 × 40,477.08
  4. Step 4: Simplify right side
    52,221.36x = 3,166,659,590.47
  5. Step 5: Solve for x
    x = 3,166,659,590.47/52,221.36
  6. Step 6: Final answer
    x = 60,639.16

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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.