Home / 52,772.81-72,830.64-30,106.58

Finding the Fourth Proportional to 52,772.81, 72,830.64 and 30,106.58

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Solution

The fourth proportional to 52,772.81, 72,830.64 and 30,106.58 is: 41,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,772.81 : 72,830.64 = 30,106.58 : x
  2. Step 2: Convert to fraction form
    52,772.81/72,830.64 = 30,106.58/x
  3. Step 3: Cross multiply
    52,772.81x = 72,830.64 × 30,106.58
  4. Step 4: Simplify right side
    52,772.81x = 2,192,681,489.61
  5. Step 5: Solve for x
    x = 2,192,681,489.61/52,772.81
  6. Step 6: Final answer
    x = 41,549.45

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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.