Home / 55,905.16-83,839.95-18,458.26

Finding the Fourth Proportional to 55,905.16, 83,839.95 and 18,458.26

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Solution

The fourth proportional to 55,905.16, 83,839.95 and 18,458.26 is: 27,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.16 : 83,839.95 = 18,458.26 : x
  2. Step 2: Convert to fraction form
    55,905.16/83,839.95 = 18,458.26/x
  3. Step 3: Cross multiply
    55,905.16x = 83,839.95 × 18,458.26
  4. Step 4: Simplify right side
    55,905.16x = 1,547,539,595.49
  5. Step 5: Solve for x
    x = 1,547,539,595.49/55,905.16
  6. Step 6: Final answer
    x = 27,681.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.