Home / 48,109.50-66,389.96-26,890.74

Finding the Fourth Proportional to 48,109.50, 66,389.96 and 26,890.74

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Solution

The fourth proportional to 48,109.50, 66,389.96 and 26,890.74 is: 37,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,109.50 : 66,389.96 = 26,890.74 : x
  2. Step 2: Convert to fraction form
    48,109.50/66,389.96 = 26,890.74/x
  3. Step 3: Cross multiply
    48,109.50x = 66,389.96 × 26,890.74
  4. Step 4: Simplify right side
    48,109.50x = 1,785,274,807.76
  5. Step 5: Solve for x
    x = 1,785,274,807.76/48,109.50
  6. Step 6: Final answer
    x = 37,108.57

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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.