Home / 43,547.63-65,197.51-28,711.26

Finding the Fourth Proportional to 43,547.63, 65,197.51 and 28,711.26

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Solution

The fourth proportional to 43,547.63, 65,197.51 and 28,711.26 is: 42,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,547.63 : 65,197.51 = 28,711.26 : x
  2. Step 2: Convert to fraction form
    43,547.63/65,197.51 = 28,711.26/x
  3. Step 3: Cross multiply
    43,547.63x = 65,197.51 × 28,711.26
  4. Step 4: Simplify right side
    43,547.63x = 1,871,902,589.18
  5. Step 5: Solve for x
    x = 1,871,902,589.18/43,547.63
  6. Step 6: Final answer
    x = 42,985.18

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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.