Home / 35,510.68-49,010.70-21,364.84

Finding the Fourth Proportional to 35,510.68, 49,010.70 and 21,364.84

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Solution

The fourth proportional to 35,510.68, 49,010.70 and 21,364.84 is: 29,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,510.68 : 49,010.70 = 21,364.84 : x
  2. Step 2: Convert to fraction form
    35,510.68/49,010.70 = 21,364.84/x
  3. Step 3: Cross multiply
    35,510.68x = 49,010.70 × 21,364.84
  4. Step 4: Simplify right side
    35,510.68x = 1,047,105,763.79
  5. Step 5: Solve for x
    x = 1,047,105,763.79/35,510.68
  6. Step 6: Final answer
    x = 29,487.07

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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.