Home / 30,210.67-45,312.82-8,026.29

Finding the Fourth Proportional to 30,210.67, 45,312.82 and 8,026.29

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Solution

The fourth proportional to 30,210.67, 45,312.82 and 8,026.29 is: 12,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.67 : 45,312.82 = 8,026.29 : x
  2. Step 2: Convert to fraction form
    30,210.67/45,312.82 = 8,026.29/x
  3. Step 3: Cross multiply
    30,210.67x = 45,312.82 × 8,026.29
  4. Step 4: Simplify right side
    30,210.67x = 363,693,813.97
  5. Step 5: Solve for x
    x = 363,693,813.97/30,210.67
  6. Step 6: Final answer
    x = 12,038.59

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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.