Home / 43,689.20-65,533.95-13,294.63

Finding the Fourth Proportional to 43,689.20, 65,533.95 and 13,294.63

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Solution

The fourth proportional to 43,689.20, 65,533.95 and 13,294.63 is: 19,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689.20 : 65,533.95 = 13,294.63 : x
  2. Step 2: Convert to fraction form
    43,689.20/65,533.95 = 13,294.63/x
  3. Step 3: Cross multiply
    43,689.20x = 65,533.95 × 13,294.63
  4. Step 4: Simplify right side
    43,689.20x = 871,249,290.02
  5. Step 5: Solve for x
    x = 871,249,290.02/43,689.20
  6. Step 6: Final answer
    x = 19,941.98

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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.