Home / 35,490.08-53,099.76-21,398.24

Finding the Fourth Proportional to 35,490.08, 53,099.76 and 21,398.24

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Solution

The fourth proportional to 35,490.08, 53,099.76 and 21,398.24 is: 32,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.08 : 53,099.76 = 21,398.24 : x
  2. Step 2: Convert to fraction form
    35,490.08/53,099.76 = 21,398.24/x
  3. Step 3: Cross multiply
    35,490.08x = 53,099.76 × 21,398.24
  4. Step 4: Simplify right side
    35,490.08x = 1,136,241,408.42
  5. Step 5: Solve for x
    x = 1,136,241,408.42/35,490.08
  6. Step 6: Final answer
    x = 32,015.75

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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.