Home / 43,454.08-59,967.48-28,356.40

Finding the Fourth Proportional to 43,454.08, 59,967.48 and 28,356.40

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Solution

The fourth proportional to 43,454.08, 59,967.48 and 28,356.40 is: 39,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454.08 : 59,967.48 = 28,356.40 : x
  2. Step 2: Convert to fraction form
    43,454.08/59,967.48 = 28,356.40/x
  3. Step 3: Cross multiply
    43,454.08x = 59,967.48 × 28,356.40
  4. Step 4: Simplify right side
    43,454.08x = 1,700,461,849.87
  5. Step 5: Solve for x
    x = 1,700,461,849.87/43,454.08
  6. Step 6: Final answer
    x = 39,132.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.