Home / 66,301.75-91,498.67-36,088.18

Finding the Fourth Proportional to 66,301.75, 91,498.67 and 36,088.18

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Solution

The fourth proportional to 66,301.75, 91,498.67 and 36,088.18 is: 49,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.75 : 91,498.67 = 36,088.18 : x
  2. Step 2: Convert to fraction form
    66,301.75/91,498.67 = 36,088.18/x
  3. Step 3: Cross multiply
    66,301.75x = 91,498.67 × 36,088.18
  4. Step 4: Simplify right side
    66,301.75x = 3,302,019,834.79
  5. Step 5: Solve for x
    x = 3,302,019,834.79/66,301.75
  6. Step 6: Final answer
    x = 49,802.91

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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.