Home / 35,487.53-53,223.09-10,521.56

Finding the Fourth Proportional to 35,487.53, 53,223.09 and 10,521.56

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Solution

The fourth proportional to 35,487.53, 53,223.09 and 10,521.56 is: 15,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,487.53 : 53,223.09 = 10,521.56 : x
  2. Step 2: Convert to fraction form
    35,487.53/53,223.09 = 10,521.56/x
  3. Step 3: Cross multiply
    35,487.53x = 53,223.09 × 10,521.56
  4. Step 4: Simplify right side
    35,487.53x = 559,989,818.68
  5. Step 5: Solve for x
    x = 559,989,818.68/35,487.53
  6. Step 6: Final answer
    x = 15,779.90

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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.