Home / 58,126.68-87,196.08-20,690.20

Finding the Fourth Proportional to 58,126.68, 87,196.08 and 20,690.20

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Solution

The fourth proportional to 58,126.68, 87,196.08 and 20,690.20 is: 31,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,126.68 : 87,196.08 = 20,690.20 : x
  2. Step 2: Convert to fraction form
    58,126.68/87,196.08 = 20,690.20/x
  3. Step 3: Cross multiply
    58,126.68x = 87,196.08 × 20,690.20
  4. Step 4: Simplify right side
    58,126.68x = 1,804,104,334.42
  5. Step 5: Solve for x
    x = 1,804,104,334.42/58,126.68
  6. Step 6: Final answer
    x = 31,037.46

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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.