Home / 39,322.02-58,905-18,560.10

Finding the Fourth Proportional to 39,322.02, 58,905 and 18,560.10

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Solution

The fourth proportional to 39,322.02, 58,905 and 18,560.10 is: 27,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.02 : 58,905 = 18,560.10 : x
  2. Step 2: Convert to fraction form
    39,322.02/58,905 = 18,560.10/x
  3. Step 3: Cross multiply
    39,322.02x = 58,905 × 18,560.10
  4. Step 4: Simplify right side
    39,322.02x = 1,093,282,690.50
  5. Step 5: Solve for x
    x = 1,093,282,690.50/39,322.02
  6. Step 6: Final answer
    x = 27,803.32

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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.