Home / 47,678.54-65,799.45-26,457.80

Finding the Fourth Proportional to 47,678.54, 65,799.45 and 26,457.80

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Solution

The fourth proportional to 47,678.54, 65,799.45 and 26,457.80 is: 36,513.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.54 : 65,799.45 = 26,457.80 : x
  2. Step 2: Convert to fraction form
    47,678.54/65,799.45 = 26,457.80/x
  3. Step 3: Cross multiply
    47,678.54x = 65,799.45 × 26,457.80
  4. Step 4: Simplify right side
    47,678.54x = 1,740,908,852.71
  5. Step 5: Solve for x
    x = 1,740,908,852.71/47,678.54
  6. Step 6: Final answer
    x = 36,513.47

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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.