Home / 40,570.16-60,855.36-12,490

Finding the Fourth Proportional to 40,570.16, 60,855.36 and 12,490

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Solution

The fourth proportional to 40,570.16, 60,855.36 and 12,490 is: 18,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,570.16 : 60,855.36 = 12,490 : x
  2. Step 2: Convert to fraction form
    40,570.16/60,855.36 = 12,490/x
  3. Step 3: Cross multiply
    40,570.16x = 60,855.36 × 12,490
  4. Step 4: Simplify right side
    40,570.16x = 760,083,446.40
  5. Step 5: Solve for x
    x = 760,083,446.40/40,570.16
  6. Step 6: Final answer
    x = 18,735.04

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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.