Home / 48,108.90-66,389.04-26,888.30

Finding the Fourth Proportional to 48,108.90, 66,389.04 and 26,888.30

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Solution

The fourth proportional to 48,108.90, 66,389.04 and 26,888.30 is: 37,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.90 : 66,389.04 = 26,888.30 : x
  2. Step 2: Convert to fraction form
    48,108.90/66,389.04 = 26,888.30/x
  3. Step 3: Cross multiply
    48,108.90x = 66,389.04 × 26,888.30
  4. Step 4: Simplify right side
    48,108.90x = 1,785,088,424.23
  5. Step 5: Solve for x
    x = 1,785,088,424.23/48,108.90
  6. Step 6: Final answer
    x = 37,105.16

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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.