Home / 46,421.76-64,061.64-39,698.76

Finding the Fourth Proportional to 46,421.76, 64,061.64 and 39,698.76

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Solution

The fourth proportional to 46,421.76, 64,061.64 and 39,698.76 is: 54,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,421.76 : 64,061.64 = 39,698.76 : x
  2. Step 2: Convert to fraction form
    46,421.76/64,061.64 = 39,698.76/x
  3. Step 3: Cross multiply
    46,421.76x = 64,061.64 × 39,698.76
  4. Step 4: Simplify right side
    46,421.76x = 2,543,167,671.57
  5. Step 5: Solve for x
    x = 2,543,167,671.57/46,421.76
  6. Step 6: Final answer
    x = 54,783.96

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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.