Home / 30,038.84-45,061.50-12,498.92

Finding the Fourth Proportional to 30,038.84, 45,061.50 and 12,498.92

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Solution

The fourth proportional to 30,038.84, 45,061.50 and 12,498.92 is: 18,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.84 : 45,061.50 = 12,498.92 : x
  2. Step 2: Convert to fraction form
    30,038.84/45,061.50 = 12,498.92/x
  3. Step 3: Cross multiply
    30,038.84x = 45,061.50 × 12,498.92
  4. Step 4: Simplify right side
    30,038.84x = 563,220,083.58
  5. Step 5: Solve for x
    x = 563,220,083.58/30,038.84
  6. Step 6: Final answer
    x = 18,749.73

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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.