Home / 49,779.51-74,657.48-14,239.74

Finding the Fourth Proportional to 49,779.51, 74,657.48 and 14,239.74

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Solution

The fourth proportional to 49,779.51, 74,657.48 and 14,239.74 is: 21,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,779.51 : 74,657.48 = 14,239.74 : x
  2. Step 2: Convert to fraction form
    49,779.51/74,657.48 = 14,239.74/x
  3. Step 3: Cross multiply
    49,779.51x = 74,657.48 × 14,239.74
  4. Step 4: Simplify right side
    49,779.51x = 1,063,102,730.97
  5. Step 5: Solve for x
    x = 1,063,102,730.97/49,779.51
  6. Step 6: Final answer
    x = 21,356.23

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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.