Home / 46,920.29-70,384.28-13,640.33

Finding the Fourth Proportional to 46,920.29, 70,384.28 and 13,640.33

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Solution

The fourth proportional to 46,920.29, 70,384.28 and 13,640.33 is: 20,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,920.29 : 70,384.28 = 13,640.33 : x
  2. Step 2: Convert to fraction form
    46,920.29/70,384.28 = 13,640.33/x
  3. Step 3: Cross multiply
    46,920.29x = 70,384.28 × 13,640.33
  4. Step 4: Simplify right side
    46,920.29x = 960,064,913.77
  5. Step 5: Solve for x
    x = 960,064,913.77/46,920.29
  6. Step 6: Final answer
    x = 20,461.62

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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.