Home / 59,999.13-90,055.19-30,438.18

Finding the Fourth Proportional to 59,999.13, 90,055.19 and 30,438.18

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Solution

The fourth proportional to 59,999.13, 90,055.19 and 30,438.18 is: 45,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,999.13 : 90,055.19 = 30,438.18 : x
  2. Step 2: Convert to fraction form
    59,999.13/90,055.19 = 30,438.18/x
  3. Step 3: Cross multiply
    59,999.13x = 90,055.19 × 30,438.18
  4. Step 4: Simplify right side
    59,999.13x = 2,741,116,159.25
  5. Step 5: Solve for x
    x = 2,741,116,159.25/59,999.13
  6. Step 6: Final answer
    x = 45,685.93

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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.