Home / 53,090.39-79,552.95-19,801.55

Finding the Fourth Proportional to 53,090.39, 79,552.95 and 19,801.55

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Solution

The fourth proportional to 53,090.39, 79,552.95 and 19,801.55 is: 29,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.39 : 79,552.95 = 19,801.55 : x
  2. Step 2: Convert to fraction form
    53,090.39/79,552.95 = 19,801.55/x
  3. Step 3: Cross multiply
    53,090.39x = 79,552.95 × 19,801.55
  4. Step 4: Simplify right side
    53,090.39x = 1,575,271,319.31
  5. Step 5: Solve for x
    x = 1,575,271,319.31/53,090.39
  6. Step 6: Final answer
    x = 29,671.50

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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.