Home / 47,678.77-71,528.96-25,480.45

Finding the Fourth Proportional to 47,678.77, 71,528.96 and 25,480.45

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Solution

The fourth proportional to 47,678.77, 71,528.96 and 25,480.45 is: 38,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.77 : 71,528.96 = 25,480.45 : x
  2. Step 2: Convert to fraction form
    47,678.77/71,528.96 = 25,480.45/x
  3. Step 3: Cross multiply
    47,678.77x = 71,528.96 × 25,480.45
  4. Step 4: Simplify right side
    47,678.77x = 1,822,590,088.83
  5. Step 5: Solve for x
    x = 1,822,590,088.83/47,678.77
  6. Step 6: Final answer
    x = 38,226.45

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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.