Home / 44,319.81-66,490.69-13,155.06

Finding the Fourth Proportional to 44,319.81, 66,490.69 and 13,155.06

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Solution

The fourth proportional to 44,319.81, 66,490.69 and 13,155.06 is: 19,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,319.81 : 66,490.69 = 13,155.06 : x
  2. Step 2: Convert to fraction form
    44,319.81/66,490.69 = 13,155.06/x
  3. Step 3: Cross multiply
    44,319.81x = 66,490.69 × 13,155.06
  4. Step 4: Simplify right side
    44,319.81x = 874,689,016.39
  5. Step 5: Solve for x
    x = 874,689,016.39/44,319.81
  6. Step 6: Final answer
    x = 19,735.85

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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.