Home / 30,586.28-45,875.10-9,807.08

Finding the Fourth Proportional to 30,586.28, 45,875.10 and 9,807.08

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Solution

The fourth proportional to 30,586.28, 45,875.10 and 9,807.08 is: 14,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.28 : 45,875.10 = 9,807.08 : x
  2. Step 2: Convert to fraction form
    30,586.28/45,875.10 = 9,807.08/x
  3. Step 3: Cross multiply
    30,586.28x = 45,875.10 × 9,807.08
  4. Step 4: Simplify right side
    30,586.28x = 449,900,775.71
  5. Step 5: Solve for x
    x = 449,900,775.71/30,586.28
  6. Step 6: Final answer
    x = 14,709.23

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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.