Home / 46,215.76-69,328.08-12,935.92

Finding the Fourth Proportional to 46,215.76, 69,328.08 and 12,935.92

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Solution

The fourth proportional to 46,215.76, 69,328.08 and 12,935.92 is: 19,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,215.76 : 69,328.08 = 12,935.92 : x
  2. Step 2: Convert to fraction form
    46,215.76/69,328.08 = 12,935.92/x
  3. Step 3: Cross multiply
    46,215.76x = 69,328.08 × 12,935.92
  4. Step 4: Simplify right side
    46,215.76x = 896,822,496.63
  5. Step 5: Solve for x
    x = 896,822,496.63/46,215.76
  6. Step 6: Final answer
    x = 19,405.12

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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.