Home / 35,979.02-53,937.74-13,808.30

Finding the Fourth Proportional to 35,979.02, 53,937.74 and 13,808.30

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Solution

The fourth proportional to 35,979.02, 53,937.74 and 13,808.30 is: 20,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.02 : 53,937.74 = 13,808.30 : x
  2. Step 2: Convert to fraction form
    35,979.02/53,937.74 = 13,808.30/x
  3. Step 3: Cross multiply
    35,979.02x = 53,937.74 × 13,808.30
  4. Step 4: Simplify right side
    35,979.02x = 744,788,495.24
  5. Step 5: Solve for x
    x = 744,788,495.24/35,979.02
  6. Step 6: Final answer
    x = 20,700.63

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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.