Home / 47,219.49-65,102.54-38,690.19

Finding the Fourth Proportional to 47,219.49, 65,102.54 and 38,690.19

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Solution

The fourth proportional to 47,219.49, 65,102.54 and 38,690.19 is: 53,343.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,219.49 : 65,102.54 = 38,690.19 : x
  2. Step 2: Convert to fraction form
    47,219.49/65,102.54 = 38,690.19/x
  3. Step 3: Cross multiply
    47,219.49x = 65,102.54 × 38,690.19
  4. Step 4: Simplify right side
    47,219.49x = 2,518,829,448.63
  5. Step 5: Solve for x
    x = 2,518,829,448.63/47,219.49
  6. Step 6: Final answer
    x = 53,343.00

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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.