Home / 45,875.84-68,813.70-30,289.76

Finding the Fourth Proportional to 45,875.84, 68,813.70 and 30,289.76

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Solution

The fourth proportional to 45,875.84, 68,813.70 and 30,289.76 is: 45,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,875.84 : 68,813.70 = 30,289.76 : x
  2. Step 2: Convert to fraction form
    45,875.84/68,813.70 = 30,289.76/x
  3. Step 3: Cross multiply
    45,875.84x = 68,813.70 × 30,289.76
  4. Step 4: Simplify right side
    45,875.84x = 2,084,350,457.71
  5. Step 5: Solve for x
    x = 2,084,350,457.71/45,875.84
  6. Step 6: Final answer
    x = 45,434.60

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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.