Home / 35,840.18-53,669.55-19,139.06

Finding the Fourth Proportional to 35,840.18, 53,669.55 and 19,139.06

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Solution

The fourth proportional to 35,840.18, 53,669.55 and 19,139.06 is: 28,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,840.18 : 53,669.55 = 19,139.06 : x
  2. Step 2: Convert to fraction form
    35,840.18/53,669.55 = 19,139.06/x
  3. Step 3: Cross multiply
    35,840.18x = 53,669.55 × 19,139.06
  4. Step 4: Simplify right side
    35,840.18x = 1,027,184,737.62
  5. Step 5: Solve for x
    x = 1,027,184,737.62/35,840.18
  6. Step 6: Final answer
    x = 28,660.14

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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.