Home / 46,423.19-69,623.56-21,439.21

Finding the Fourth Proportional to 46,423.19, 69,623.56 and 21,439.21

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Solution

The fourth proportional to 46,423.19, 69,623.56 and 21,439.21 is: 32,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,423.19 : 69,623.56 = 21,439.21 : x
  2. Step 2: Convert to fraction form
    46,423.19/69,623.56 = 21,439.21/x
  3. Step 3: Cross multiply
    46,423.19x = 69,623.56 × 21,439.21
  4. Step 4: Simplify right side
    46,423.19x = 1,492,674,123.79
  5. Step 5: Solve for x
    x = 1,492,674,123.79/46,423.19
  6. Step 6: Final answer
    x = 32,153.63

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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.