Home / 55,989.18-83,988.18-18,547.74

Finding the Fourth Proportional to 55,989.18, 83,988.18 and 18,547.74

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Solution

The fourth proportional to 55,989.18, 83,988.18 and 18,547.74 is: 27,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.18 : 83,988.18 = 18,547.74 : x
  2. Step 2: Convert to fraction form
    55,989.18/83,988.18 = 18,547.74/x
  3. Step 3: Cross multiply
    55,989.18x = 83,988.18 × 18,547.74
  4. Step 4: Simplify right side
    55,989.18x = 1,557,790,925.71
  5. Step 5: Solve for x
    x = 1,557,790,925.71/55,989.18
  6. Step 6: Final answer
    x = 27,823.07

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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.