Home / 43,555.46-65,341.69-13,971.02

Finding the Fourth Proportional to 43,555.46, 65,341.69 and 13,971.02

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Solution

The fourth proportional to 43,555.46, 65,341.69 and 13,971.02 is: 20,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,555.46 : 65,341.69 = 13,971.02 : x
  2. Step 2: Convert to fraction form
    43,555.46/65,341.69 = 13,971.02/x
  3. Step 3: Cross multiply
    43,555.46x = 65,341.69 × 13,971.02
  4. Step 4: Simplify right side
    43,555.46x = 912,889,696.19
  5. Step 5: Solve for x
    x = 912,889,696.19/43,555.46
  6. Step 6: Final answer
    x = 20,959.25

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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.