Home / 60,830.38-91,248.81-19,280.62

Finding the Fourth Proportional to 60,830.38, 91,248.81 and 19,280.62

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Solution

The fourth proportional to 60,830.38, 91,248.81 and 19,280.62 is: 28,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,830.38 : 91,248.81 = 19,280.62 : x
  2. Step 2: Convert to fraction form
    60,830.38/91,248.81 = 19,280.62/x
  3. Step 3: Cross multiply
    60,830.38x = 91,248.81 × 19,280.62
  4. Step 4: Simplify right side
    60,830.38x = 1,759,333,631.06
  5. Step 5: Solve for x
    x = 1,759,333,631.06/60,830.38
  6. Step 6: Final answer
    x = 28,921.96

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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.