Home / 30,545.51-45,818.87-13,893.93

Finding the Fourth Proportional to 30,545.51, 45,818.87 and 13,893.93

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Solution

The fourth proportional to 30,545.51, 45,818.87 and 13,893.93 is: 20,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.51 : 45,818.87 = 13,893.93 : x
  2. Step 2: Convert to fraction form
    30,545.51/45,818.87 = 13,893.93/x
  3. Step 3: Cross multiply
    30,545.51x = 45,818.87 × 13,893.93
  4. Step 4: Simplify right side
    30,545.51x = 636,604,102.99
  5. Step 5: Solve for x
    x = 636,604,102.99/30,545.51
  6. Step 6: Final answer
    x = 20,841.17

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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.