Home / 30,631.77-45,920.25-14,827.86

Finding the Fourth Proportional to 30,631.77, 45,920.25 and 14,827.86

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Solution

The fourth proportional to 30,631.77, 45,920.25 and 14,827.86 is: 22,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631.77 : 45,920.25 = 14,827.86 : x
  2. Step 2: Convert to fraction form
    30,631.77/45,920.25 = 14,827.86/x
  3. Step 3: Cross multiply
    30,631.77x = 45,920.25 × 14,827.86
  4. Step 4: Simplify right side
    30,631.77x = 680,899,038.17
  5. Step 5: Solve for x
    x = 680,899,038.17/30,631.77
  6. Step 6: Final answer
    x = 22,228.52

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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.