Home / 53,647.93-74,038.80-29,779.21

Finding the Fourth Proportional to 53,647.93, 74,038.80 and 29,779.21

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Solution

The fourth proportional to 53,647.93, 74,038.80 and 29,779.21 is: 41,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,647.93 : 74,038.80 = 29,779.21 : x
  2. Step 2: Convert to fraction form
    53,647.93/74,038.80 = 29,779.21/x
  3. Step 3: Cross multiply
    53,647.93x = 74,038.80 × 29,779.21
  4. Step 4: Simplify right side
    53,647.93x = 2,204,816,973.35
  5. Step 5: Solve for x
    x = 2,204,816,973.35/53,647.93
  6. Step 6: Final answer
    x = 41,097.89

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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.