Home / 53,045.47-79,566.16-17,985.13

Finding the Fourth Proportional to 53,045.47, 79,566.16 and 17,985.13

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Solution

The fourth proportional to 53,045.47, 79,566.16 and 17,985.13 is: 26,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.47 : 79,566.16 = 17,985.13 : x
  2. Step 2: Convert to fraction form
    53,045.47/79,566.16 = 17,985.13/x
  3. Step 3: Cross multiply
    53,045.47x = 79,566.16 × 17,985.13
  4. Step 4: Simplify right side
    53,045.47x = 1,431,007,731.20
  5. Step 5: Solve for x
    x = 1,431,007,731.20/53,045.47
  6. Step 6: Final answer
    x = 26,977.00

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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.