Home / 48,374.29-72,547.65-18,785.80

Finding the Fourth Proportional to 48,374.29, 72,547.65 and 18,785.80

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Solution

The fourth proportional to 48,374.29, 72,547.65 and 18,785.80 is: 28,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.29 : 72,547.65 = 18,785.80 : x
  2. Step 2: Convert to fraction form
    48,374.29/72,547.65 = 18,785.80/x
  3. Step 3: Cross multiply
    48,374.29x = 72,547.65 × 18,785.80
  4. Step 4: Simplify right side
    48,374.29x = 1,362,865,643.37
  5. Step 5: Solve for x
    x = 1,362,865,643.37/48,374.29
  6. Step 6: Final answer
    x = 28,173.35

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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.