Home / 35,970.03-49,637.66-20,861.72

Finding the Fourth Proportional to 35,970.03, 49,637.66 and 20,861.72

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Solution

The fourth proportional to 35,970.03, 49,637.66 and 20,861.72 is: 28,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.03 : 49,637.66 = 20,861.72 : x
  2. Step 2: Convert to fraction form
    35,970.03/49,637.66 = 20,861.72/x
  3. Step 3: Cross multiply
    35,970.03x = 49,637.66 × 20,861.72
  4. Step 4: Simplify right side
    35,970.03x = 1,035,526,964.38
  5. Step 5: Solve for x
    x = 1,035,526,964.38/35,970.03
  6. Step 6: Final answer
    x = 28,788.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.