Home / 39,389.64-59,035.18-19,673.70

Finding the Fourth Proportional to 39,389.64, 59,035.18 and 19,673.70

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Solution

The fourth proportional to 39,389.64, 59,035.18 and 19,673.70 is: 29,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.64 : 59,035.18 = 19,673.70 : x
  2. Step 2: Convert to fraction form
    39,389.64/59,035.18 = 19,673.70/x
  3. Step 3: Cross multiply
    39,389.64x = 59,035.18 × 19,673.70
  4. Step 4: Simplify right side
    39,389.64x = 1,161,440,297.77
  5. Step 5: Solve for x
    x = 1,161,440,297.77/39,389.64
  6. Step 6: Final answer
    x = 29,485.94

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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.