Home / 52,629.40-72,626.95-28,756.04

Finding the Fourth Proportional to 52,629.40, 72,626.95 and 28,756.04

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Solution

The fourth proportional to 52,629.40, 72,626.95 and 28,756.04 is: 39,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,629.40 : 72,626.95 = 28,756.04 : x
  2. Step 2: Convert to fraction form
    52,629.40/72,626.95 = 28,756.04/x
  3. Step 3: Cross multiply
    52,629.40x = 72,626.95 × 28,756.04
  4. Step 4: Simplify right side
    52,629.40x = 2,088,463,437.23
  5. Step 5: Solve for x
    x = 2,088,463,437.23/52,629.40
  6. Step 6: Final answer
    x = 39,682.45

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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.