Home / 52,417.80-72,334.38-28,544.40

Finding the Fourth Proportional to 52,417.80, 72,334.38 and 28,544.40

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Solution

The fourth proportional to 52,417.80, 72,334.38 and 28,544.40 is: 39,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,417.80 : 72,334.38 = 28,544.40 : x
  2. Step 2: Convert to fraction form
    52,417.80/72,334.38 = 28,544.40/x
  3. Step 3: Cross multiply
    52,417.80x = 72,334.38 × 28,544.40
  4. Step 4: Simplify right side
    52,417.80x = 2,064,741,476.47
  5. Step 5: Solve for x
    x = 2,064,741,476.47/52,417.80
  6. Step 6: Final answer
    x = 39,390.08

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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.