Home / 46,220.72-69,314.86-12,931.84

Finding the Fourth Proportional to 46,220.72, 69,314.86 and 12,931.84

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Solution

The fourth proportional to 46,220.72, 69,314.86 and 12,931.84 is: 19,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,220.72 : 69,314.86 = 12,931.84 : x
  2. Step 2: Convert to fraction form
    46,220.72/69,314.86 = 12,931.84/x
  3. Step 3: Cross multiply
    46,220.72x = 69,314.86 × 12,931.84
  4. Step 4: Simplify right side
    46,220.72x = 896,368,679.14
  5. Step 5: Solve for x
    x = 896,368,679.14/46,220.72
  6. Step 6: Final answer
    x = 19,393.22

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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.