Home / 35,915.47-53,854.76-19,289.49

Finding the Fourth Proportional to 35,915.47, 53,854.76 and 19,289.49

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Solution

The fourth proportional to 35,915.47, 53,854.76 and 19,289.49 is: 28,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.47 : 53,854.76 = 19,289.49 : x
  2. Step 2: Convert to fraction form
    35,915.47/53,854.76 = 19,289.49/x
  3. Step 3: Cross multiply
    35,915.47x = 53,854.76 × 19,289.49
  4. Step 4: Simplify right side
    35,915.47x = 1,038,830,895.17
  5. Step 5: Solve for x
    x = 1,038,830,895.17/35,915.47
  6. Step 6: Final answer
    x = 28,924.33

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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.