Home / 39,870.04-59,810.53-11,792.30

Finding the Fourth Proportional to 39,870.04, 59,810.53 and 11,792.30

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Solution

The fourth proportional to 39,870.04, 59,810.53 and 11,792.30 is: 17,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.04 : 59,810.53 = 11,792.30 : x
  2. Step 2: Convert to fraction form
    39,870.04/59,810.53 = 11,792.30/x
  3. Step 3: Cross multiply
    39,870.04x = 59,810.53 × 11,792.30
  4. Step 4: Simplify right side
    39,870.04x = 705,303,832.96
  5. Step 5: Solve for x
    x = 705,303,832.96/39,870.04
  6. Step 6: Final answer
    x = 17,690.07

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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.