Home / 48,271.12-72,406.76-13,208.16

Finding the Fourth Proportional to 48,271.12, 72,406.76 and 13,208.16

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Solution

The fourth proportional to 48,271.12, 72,406.76 and 13,208.16 is: 19,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271.12 : 72,406.76 = 13,208.16 : x
  2. Step 2: Convert to fraction form
    48,271.12/72,406.76 = 13,208.16/x
  3. Step 3: Cross multiply
    48,271.12x = 72,406.76 × 13,208.16
  4. Step 4: Simplify right side
    48,271.12x = 956,360,071.16
  5. Step 5: Solve for x
    x = 956,360,071.16/48,271.12
  6. Step 6: Final answer
    x = 19,812.26

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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.