Home / 58,255.04-87,360.30-20,808.08

Finding the Fourth Proportional to 58,255.04, 87,360.30 and 20,808.08

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Solution

The fourth proportional to 58,255.04, 87,360.30 and 20,808.08 is: 31,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,255.04 : 87,360.30 = 20,808.08 : x
  2. Step 2: Convert to fraction form
    58,255.04/87,360.30 = 20,808.08/x
  3. Step 3: Cross multiply
    58,255.04x = 87,360.30 × 20,808.08
  4. Step 4: Simplify right side
    58,255.04x = 1,817,800,111.22
  5. Step 5: Solve for x
    x = 1,817,800,111.22/58,255.04
  6. Step 6: Final answer
    x = 31,204.17

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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.