Home / 35,693.40-49,259.56-19,779.32

Finding the Fourth Proportional to 35,693.40, 49,259.56 and 19,779.32

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Solution

The fourth proportional to 35,693.40, 49,259.56 and 19,779.32 is: 27,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.40 : 49,259.56 = 19,779.32 : x
  2. Step 2: Convert to fraction form
    35,693.40/49,259.56 = 19,779.32/x
  3. Step 3: Cross multiply
    35,693.40x = 49,259.56 × 19,779.32
  4. Step 4: Simplify right side
    35,693.40x = 974,320,600.30
  5. Step 5: Solve for x
    x = 974,320,600.30/35,693.40
  6. Step 6: Final answer
    x = 27,296.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.