Home / 35,831.76-53,748.84-12,458.40

Finding the Fourth Proportional to 35,831.76, 53,748.84 and 12,458.40

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Solution

The fourth proportional to 35,831.76, 53,748.84 and 12,458.40 is: 18,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.76 : 53,748.84 = 12,458.40 : x
  2. Step 2: Convert to fraction form
    35,831.76/53,748.84 = 12,458.40/x
  3. Step 3: Cross multiply
    35,831.76x = 53,748.84 × 12,458.40
  4. Step 4: Simplify right side
    35,831.76x = 669,624,548.26
  5. Step 5: Solve for x
    x = 669,624,548.26/35,831.76
  6. Step 6: Final answer
    x = 18,688.02

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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.