Home / 48,619.02-72,899.34-19,001.57

Finding the Fourth Proportional to 48,619.02, 72,899.34 and 19,001.57

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Solution

The fourth proportional to 48,619.02, 72,899.34 and 19,001.57 is: 28,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.02 : 72,899.34 = 19,001.57 : x
  2. Step 2: Convert to fraction form
    48,619.02/72,899.34 = 19,001.57/x
  3. Step 3: Cross multiply
    48,619.02x = 72,899.34 × 19,001.57
  4. Step 4: Simplify right side
    48,619.02x = 1,385,201,547.47
  5. Step 5: Solve for x
    x = 1,385,201,547.47/48,619.02
  6. Step 6: Final answer
    x = 28,490.94

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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.