Home / 35,447.78-53,084.12-26,420.25

Finding the Fourth Proportional to 35,447.78, 53,084.12 and 26,420.25

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Solution

The fourth proportional to 35,447.78, 53,084.12 and 26,420.25 is: 39,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.78 : 53,084.12 = 26,420.25 : x
  2. Step 2: Convert to fraction form
    35,447.78/53,084.12 = 26,420.25/x
  3. Step 3: Cross multiply
    35,447.78x = 53,084.12 × 26,420.25
  4. Step 4: Simplify right side
    35,447.78x = 1,402,495,721.43
  5. Step 5: Solve for x
    x = 1,402,495,721.43/35,447.78
  6. Step 6: Final answer
    x = 39,565.12

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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.