Home / 35,113.64-52,689.90-21,039.08

Finding the Fourth Proportional to 35,113.64, 52,689.90 and 21,039.08

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Solution

The fourth proportional to 35,113.64, 52,689.90 and 21,039.08 is: 31,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,113.64 : 52,689.90 = 21,039.08 : x
  2. Step 2: Convert to fraction form
    35,113.64/52,689.90 = 21,039.08/x
  3. Step 3: Cross multiply
    35,113.64x = 52,689.90 × 21,039.08
  4. Step 4: Simplify right side
    35,113.64x = 1,108,547,021.29
  5. Step 5: Solve for x
    x = 1,108,547,021.29/35,113.64
  6. Step 6: Final answer
    x = 31,570.27

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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.