Home / 47,302.61-65,282.21-35,345.18

Finding the Fourth Proportional to 47,302.61, 65,282.21 and 35,345.18

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Solution

The fourth proportional to 47,302.61, 65,282.21 and 35,345.18 is: 48,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,302.61 : 65,282.21 = 35,345.18 : x
  2. Step 2: Convert to fraction form
    47,302.61/65,282.21 = 35,345.18/x
  3. Step 3: Cross multiply
    47,302.61x = 65,282.21 × 35,345.18
  4. Step 4: Simplify right side
    47,302.61x = 2,307,410,960.11
  5. Step 5: Solve for x
    x = 2,307,410,960.11/47,302.61
  6. Step 6: Final answer
    x = 48,779.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.