Home / 65,421.47-90,281.37-36,737.14

Finding the Fourth Proportional to 65,421.47, 90,281.37 and 36,737.14

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Solution

The fourth proportional to 65,421.47, 90,281.37 and 36,737.14 is: 50,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421.47 : 90,281.37 = 36,737.14 : x
  2. Step 2: Convert to fraction form
    65,421.47/90,281.37 = 36,737.14/x
  3. Step 3: Cross multiply
    65,421.47x = 90,281.37 × 36,737.14
  4. Step 4: Simplify right side
    65,421.47x = 3,316,679,329.08
  5. Step 5: Solve for x
    x = 3,316,679,329.08/65,421.47
  6. Step 6: Final answer
    x = 50,697.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.