Home / 78,547.59-117,822.33-22,389.21

Finding the Fourth Proportional to 78,547.59, 117,822.33 and 22,389.21

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Solution

The fourth proportional to 78,547.59, 117,822.33 and 22,389.21 is: 33,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,547.59 : 117,822.33 = 22,389.21 : x
  2. Step 2: Convert to fraction form
    78,547.59/117,822.33 = 22,389.21/x
  3. Step 3: Cross multiply
    78,547.59x = 117,822.33 × 22,389.21
  4. Step 4: Simplify right side
    78,547.59x = 2,637,948,889.06
  5. Step 5: Solve for x
    x = 2,637,948,889.06/78,547.59
  6. Step 6: Final answer
    x = 33,584.08

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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.