Home / 66,225.29-91,389.60-36,010.35

Finding the Fourth Proportional to 66,225.29, 91,389.60 and 36,010.35

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Solution

The fourth proportional to 66,225.29, 91,389.60 and 36,010.35 is: 49,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225.29 : 91,389.60 = 36,010.35 : x
  2. Step 2: Convert to fraction form
    66,225.29/91,389.60 = 36,010.35/x
  3. Step 3: Cross multiply
    66,225.29x = 91,389.60 × 36,010.35
  4. Step 4: Simplify right side
    66,225.29x = 3,290,971,482.36
  5. Step 5: Solve for x
    x = 3,290,971,482.36/66,225.29
  6. Step 6: Final answer
    x = 49,693.58

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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.