Home / 42,708.83-64,041.74-14,235.71

Finding the Fourth Proportional to 42,708.83, 64,041.74 and 14,235.71

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Solution

The fourth proportional to 42,708.83, 64,041.74 and 14,235.71 is: 21,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708.83 : 64,041.74 = 14,235.71 : x
  2. Step 2: Convert to fraction form
    42,708.83/64,041.74 = 14,235.71/x
  3. Step 3: Cross multiply
    42,708.83x = 64,041.74 × 14,235.71
  4. Step 4: Simplify right side
    42,708.83x = 911,679,353.92
  5. Step 5: Solve for x
    x = 911,679,353.92/42,708.83
  6. Step 6: Final answer
    x = 21,346.39

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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.