Home / 30,870.91-46,301.54-9,808.18

Finding the Fourth Proportional to 30,870.91, 46,301.54 and 9,808.18

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Solution

The fourth proportional to 30,870.91, 46,301.54 and 9,808.18 is: 14,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,870.91 : 46,301.54 = 9,808.18 : x
  2. Step 2: Convert to fraction form
    30,870.91/46,301.54 = 9,808.18/x
  3. Step 3: Cross multiply
    30,870.91x = 46,301.54 × 9,808.18
  4. Step 4: Simplify right side
    30,870.91x = 454,133,838.60
  5. Step 5: Solve for x
    x = 454,133,838.60/30,870.91
  6. Step 6: Final answer
    x = 14,710.74

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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.