Home / 66,005.13-91,088.91-37,329.10

Finding the Fourth Proportional to 66,005.13, 91,088.91 and 37,329.10

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Solution

The fourth proportional to 66,005.13, 91,088.91 and 37,329.10 is: 51,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,005.13 : 91,088.91 = 37,329.10 : x
  2. Step 2: Convert to fraction form
    66,005.13/91,088.91 = 37,329.10/x
  3. Step 3: Cross multiply
    66,005.13x = 91,088.91 × 37,329.10
  4. Step 4: Simplify right side
    66,005.13x = 3,400,266,973.35
  5. Step 5: Solve for x
    x = 3,400,266,973.35/66,005.13
  6. Step 6: Final answer
    x = 51,515.19

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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.