Home / 38,742.08-58,111.06-12,444.77

Finding the Fourth Proportional to 38,742.08, 58,111.06 and 12,444.77

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Solution

The fourth proportional to 38,742.08, 58,111.06 and 12,444.77 is: 18,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.08 : 58,111.06 = 12,444.77 : x
  2. Step 2: Convert to fraction form
    38,742.08/58,111.06 = 12,444.77/x
  3. Step 3: Cross multiply
    38,742.08x = 58,111.06 × 12,444.77
  4. Step 4: Simplify right side
    38,742.08x = 723,178,454.49
  5. Step 5: Solve for x
    x = 723,178,454.49/38,742.08
  6. Step 6: Final answer
    x = 18,666.49

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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.