Home / 42,710.22-64,058.77-14,247.68

Finding the Fourth Proportional to 42,710.22, 64,058.77 and 14,247.68

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Solution

The fourth proportional to 42,710.22, 64,058.77 and 14,247.68 is: 21,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,710.22 : 64,058.77 = 14,247.68 : x
  2. Step 2: Convert to fraction form
    42,710.22/64,058.77 = 14,247.68/x
  3. Step 3: Cross multiply
    42,710.22x = 64,058.77 × 14,247.68
  4. Step 4: Simplify right side
    42,710.22x = 912,688,833.86
  5. Step 5: Solve for x
    x = 912,688,833.86/42,710.22
  6. Step 6: Final answer
    x = 21,369.33

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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.