Home / 43,572.80-65,347.86-13,975.40

Finding the Fourth Proportional to 43,572.80, 65,347.86 and 13,975.40

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Solution

The fourth proportional to 43,572.80, 65,347.86 and 13,975.40 is: 20,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572.80 : 65,347.86 = 13,975.40 : x
  2. Step 2: Convert to fraction form
    43,572.80/65,347.86 = 13,975.40/x
  3. Step 3: Cross multiply
    43,572.80x = 65,347.86 × 13,975.40
  4. Step 4: Simplify right side
    43,572.80x = 913,262,482.64
  5. Step 5: Solve for x
    x = 913,262,482.64/43,572.80
  6. Step 6: Final answer
    x = 20,959.46

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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.