Home / 35,897.22-53,827.74-20,909.16

Finding the Fourth Proportional to 35,897.22, 53,827.74 and 20,909.16

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Solution

The fourth proportional to 35,897.22, 53,827.74 and 20,909.16 is: 31,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,897.22 : 53,827.74 = 20,909.16 : x
  2. Step 2: Convert to fraction form
    35,897.22/53,827.74 = 20,909.16/x
  3. Step 3: Cross multiply
    35,897.22x = 53,827.74 × 20,909.16
  4. Step 4: Simplify right side
    35,897.22x = 1,125,492,828.10
  5. Step 5: Solve for x
    x = 1,125,492,828.10/35,897.22
  6. Step 6: Final answer
    x = 31,353.20

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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.