Home / 48,285.83-72,386.89-18,683.30

Finding the Fourth Proportional to 48,285.83, 72,386.89 and 18,683.30

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Solution

The fourth proportional to 48,285.83, 72,386.89 and 18,683.30 is: 28,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285.83 : 72,386.89 = 18,683.30 : x
  2. Step 2: Convert to fraction form
    48,285.83/72,386.89 = 18,683.30/x
  3. Step 3: Cross multiply
    48,285.83x = 72,386.89 × 18,683.30
  4. Step 4: Simplify right side
    48,285.83x = 1,352,425,981.94
  5. Step 5: Solve for x
    x = 1,352,425,981.94/48,285.83
  6. Step 6: Final answer
    x = 28,008.75

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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.