Home / 58,267.04-87,378.30-20,820.08

Finding the Fourth Proportional to 58,267.04, 87,378.30 and 20,820.08

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Solution

The fourth proportional to 58,267.04, 87,378.30 and 20,820.08 is: 31,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,267.04 : 87,378.30 = 20,820.08 : x
  2. Step 2: Convert to fraction form
    58,267.04/87,378.30 = 20,820.08/x
  3. Step 3: Cross multiply
    58,267.04x = 87,378.30 × 20,820.08
  4. Step 4: Simplify right side
    58,267.04x = 1,819,223,196.26
  5. Step 5: Solve for x
    x = 1,819,223,196.26/58,267.04
  6. Step 6: Final answer
    x = 31,222.17

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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.