Home / 30,894.30-46,232.10-21,490.20

Finding the Fourth Proportional to 30,894.30, 46,232.10 and 21,490.20

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Solution

The fourth proportional to 30,894.30, 46,232.10 and 21,490.20 is: 32,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,894.30 : 46,232.10 = 21,490.20 : x
  2. Step 2: Convert to fraction form
    30,894.30/46,232.10 = 21,490.20/x
  3. Step 3: Cross multiply
    30,894.30x = 46,232.10 × 21,490.20
  4. Step 4: Simplify right side
    30,894.30x = 993,537,075.42
  5. Step 5: Solve for x
    x = 993,537,075.42/30,894.30
  6. Step 6: Final answer
    x = 32,159.24

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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.