Home / 35,831.90-53,685.38-21,762.20

Finding the Fourth Proportional to 35,831.90, 53,685.38 and 21,762.20

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Solution

The fourth proportional to 35,831.90, 53,685.38 and 21,762.20 is: 32,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.90 : 53,685.38 = 21,762.20 : x
  2. Step 2: Convert to fraction form
    35,831.90/53,685.38 = 21,762.20/x
  3. Step 3: Cross multiply
    35,831.90x = 53,685.38 × 21,762.20
  4. Step 4: Simplify right side
    35,831.90x = 1,168,311,599.40
  5. Step 5: Solve for x
    x = 1,168,311,599.40/35,831.90
  6. Step 6: Final answer
    x = 32,605.35

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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.