Home / 39,510.90-59,266.35-9,929.70

Finding the Fourth Proportional to 39,510.90, 59,266.35 and 9,929.70

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Solution

The fourth proportional to 39,510.90, 59,266.35 and 9,929.70 is: 14,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.90 : 59,266.35 = 9,929.70 : x
  2. Step 2: Convert to fraction form
    39,510.90/59,266.35 = 9,929.70/x
  3. Step 3: Cross multiply
    39,510.90x = 59,266.35 × 9,929.70
  4. Step 4: Simplify right side
    39,510.90x = 588,497,075.60
  5. Step 5: Solve for x
    x = 588,497,075.60/39,510.90
  6. Step 6: Final answer
    x = 14,894.55

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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.