Home / 35,689.64-53,553.90-21,615.08

Finding the Fourth Proportional to 35,689.64, 53,553.90 and 21,615.08

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Solution

The fourth proportional to 35,689.64, 53,553.90 and 21,615.08 is: 32,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,689.64 : 53,553.90 = 21,615.08 : x
  2. Step 2: Convert to fraction form
    35,689.64/53,553.90 = 21,615.08/x
  3. Step 3: Cross multiply
    35,689.64x = 53,553.90 × 21,615.08
  4. Step 4: Simplify right side
    35,689.64x = 1,157,571,832.81
  5. Step 5: Solve for x
    x = 1,157,571,832.81/35,689.64
  6. Step 6: Final answer
    x = 32,434.39

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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.