Home / 58,159.06-87,238.59-18,719.26

Finding the Fourth Proportional to 58,159.06, 87,238.59 and 18,719.26

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Solution

The fourth proportional to 58,159.06, 87,238.59 and 18,719.26 is: 28,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,159.06 : 87,238.59 = 18,719.26 : x
  2. Step 2: Convert to fraction form
    58,159.06/87,238.59 = 18,719.26/x
  3. Step 3: Cross multiply
    58,159.06x = 87,238.59 × 18,719.26
  4. Step 4: Simplify right side
    58,159.06x = 1,633,041,848.24
  5. Step 5: Solve for x
    x = 1,633,041,848.24/58,159.06
  6. Step 6: Final answer
    x = 28,078.89

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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.