Home / 52,228.32-72,075.60-28,355.19

Finding the Fourth Proportional to 52,228.32, 72,075.60 and 28,355.19

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Solution

The fourth proportional to 52,228.32, 72,075.60 and 28,355.19 is: 39,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.32 : 72,075.60 = 28,355.19 : x
  2. Step 2: Convert to fraction form
    52,228.32/72,075.60 = 28,355.19/x
  3. Step 3: Cross multiply
    52,228.32x = 72,075.60 × 28,355.19
  4. Step 4: Simplify right side
    52,228.32x = 2,043,717,332.36
  5. Step 5: Solve for x
    x = 2,043,717,332.36/52,228.32
  6. Step 6: Final answer
    x = 39,130.44

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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.