Home / 34,810.32-48,013.65-21,389.13

Finding the Fourth Proportional to 34,810.32, 48,013.65 and 21,389.13

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Solution

The fourth proportional to 34,810.32, 48,013.65 and 21,389.13 is: 29,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,810.32 : 48,013.65 = 21,389.13 : x
  2. Step 2: Convert to fraction form
    34,810.32/48,013.65 = 21,389.13/x
  3. Step 3: Cross multiply
    34,810.32x = 48,013.65 × 21,389.13
  4. Step 4: Simplify right side
    34,810.32x = 1,026,970,201.62
  5. Step 5: Solve for x
    x = 1,026,970,201.62/34,810.32
  6. Step 6: Final answer
    x = 29,501.89

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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.