Home / 35,981.22-53,938.95-12,594.90

Finding the Fourth Proportional to 35,981.22, 53,938.95 and 12,594.90

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Solution

The fourth proportional to 35,981.22, 53,938.95 and 12,594.90 is: 18,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.22 : 53,938.95 = 12,594.90 : x
  2. Step 2: Convert to fraction form
    35,981.22/53,938.95 = 12,594.90/x
  3. Step 3: Cross multiply
    35,981.22x = 53,938.95 × 12,594.90
  4. Step 4: Simplify right side
    35,981.22x = 679,355,681.36
  5. Step 5: Solve for x
    x = 679,355,681.36/35,981.22
  6. Step 6: Final answer
    x = 18,880.84

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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.