Home / 30,038.72-45,085.14-16,010.46

Finding the Fourth Proportional to 30,038.72, 45,085.14 and 16,010.46

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Solution

The fourth proportional to 30,038.72, 45,085.14 and 16,010.46 is: 24,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.72 : 45,085.14 = 16,010.46 : x
  2. Step 2: Convert to fraction form
    30,038.72/45,085.14 = 16,010.46/x
  3. Step 3: Cross multiply
    30,038.72x = 45,085.14 × 16,010.46
  4. Step 4: Simplify right side
    30,038.72x = 721,833,830.56
  5. Step 5: Solve for x
    x = 721,833,830.56/30,038.72
  6. Step 6: Final answer
    x = 24,030.12

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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.