Home / 44,030.36-66,045-20,640.26

Finding the Fourth Proportional to 44,030.36, 66,045 and 20,640.26

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Solution

The fourth proportional to 44,030.36, 66,045 and 20,640.26 is: 30,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,030.36 : 66,045 = 20,640.26 : x
  2. Step 2: Convert to fraction form
    44,030.36/66,045 = 20,640.26/x
  3. Step 3: Cross multiply
    44,030.36x = 66,045 × 20,640.26
  4. Step 4: Simplify right side
    44,030.36x = 1,363,185,971.70
  5. Step 5: Solve for x
    x = 1,363,185,971.70/44,030.36
  6. Step 6: Final answer
    x = 30,960.14

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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.