Home / 39,219.06-58,803.65-18,130.91

Finding the Fourth Proportional to 39,219.06, 58,803.65 and 18,130.91

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Solution

The fourth proportional to 39,219.06, 58,803.65 and 18,130.91 is: 27,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.06 : 58,803.65 = 18,130.91 : x
  2. Step 2: Convert to fraction form
    39,219.06/58,803.65 = 18,130.91/x
  3. Step 3: Cross multiply
    39,219.06x = 58,803.65 × 18,130.91
  4. Step 4: Simplify right side
    39,219.06x = 1,066,163,814.30
  5. Step 5: Solve for x
    x = 1,066,163,814.30/39,219.06
  6. Step 6: Final answer
    x = 27,184.84

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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.