Home / 35,348.09-48,780.70-19,432.66

Finding the Fourth Proportional to 35,348.09, 48,780.70 and 19,432.66

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Solution

The fourth proportional to 35,348.09, 48,780.70 and 19,432.66 is: 26,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,348.09 : 48,780.70 = 19,432.66 : x
  2. Step 2: Convert to fraction form
    35,348.09/48,780.70 = 19,432.66/x
  3. Step 3: Cross multiply
    35,348.09x = 48,780.70 × 19,432.66
  4. Step 4: Simplify right side
    35,348.09x = 947,938,587.13
  5. Step 5: Solve for x
    x = 947,938,587.13/35,348.09
  6. Step 6: Final answer
    x = 26,817.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.